why does the planets stay on its orbit?


2 Answers

Charles Davis Profile
Charles Davis answered

Here are a couple videos that explain gravity and how things relate to each other. These should answer your question.


The Solar system

And here is an entire list of short courses on the universe that might interest you.

Crash course Atronomy

Milan  Woodson Profile
Milan Woodson answered

Because of two opposing forces upon planets, that of gravity around a nearby star or stars and the angular momentum (basically centrifugal force) of each planet. The two forces pull in opposite directions stablizing the orbits of local planets.

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